Smeg DW64SSE Broken Again – Won’t start Program

Hi,
it’s been a while sinvce I’ve posted to this forum – the last time I had the dreaded E2 error and someboddy helpfully pointed me to the little black tube underneath and regular cleaning of said tube has mean pretty much uninterupted service – until today.
I have a new problem essentially the machine won’t start it’s program at all when I press the start button nothing happens – no beeps or anything.

I have also noticed the following

1) If the machine door is shut tthe four program state LEDs that normally indicate what the program will do no longer illuminate as well – even if a turn the machine on and off they never illuminate.

2) If I open the door and turn the machine off then back on the lights all flash briefly before turning off.

3) If i open the door, tunr the machine ion and press the program start button three times quickly (like the reset sequence) then all four LEDs light but if I shut the door they goo out immediately and we are back into state 1 above.

I have not managed to ellicit a beep out of the machine at all. I have taken the door apart and checked for loose connections but everything appears fine.

Would appreciate any suggestions, pointers or advice.

Thanks

Mark